Analysis
- max time kernel
148s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
- submitted
31/07/2024, 14:41
General
- Target 0222fc9efea5f01d8f72d5c965439343.exe
- Size 3.8MB
- Sample240731-r2eshstalg
- SHA256 adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2
Malware Config
Signatures
- Detect Socks5Systemz Payload 1 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 1 IoCs
- Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\0222fc9efea5f01d8f72d5c965439343.exe"C:\Users\Admin\AppData\Local\Temp\0222fc9efea5f01d8f72d5c965439343.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-5DFL3.tmp\0222fc9efea5f01d8f72d5c965439343.tmp"C:\Users\Admin\AppData\Local\Temp\is-5DFL3.tmp\0222fc9efea5f01d8f72d5c965439343.tmp" /SL5="$C0042,3726069,54272,C:\Users\Admin\AppData\Local\Temp\0222fc9efea5f01d8f72d5c965439343.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter.exe"C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter.exe"C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
midi2mp3converter.exe
0222fc9efea5f01d8f72d5c965439343.tmp
_iscrypt.dll
memory/820-61-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/820-16-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/1828-55-0x0000000000400000-0x0000000000815000-memory.dmp
memory/1828-52-0x0000000000400000-0x0000000000815000-memory.dmp
memory/1828-53-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2720-62-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2720-77-0x0000000000A40000-0x0000000000AE2000-memory.dmp
memory/2720-106-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2720-103-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2720-99-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2720-65-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2720-68-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2720-71-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2720-74-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2720-58-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2720-79-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2720-84-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2720-87-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2720-90-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2720-93-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2720-96-0x0000000000400000-0x0000000000815000-memory.dmp
memory/3624-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3624-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/3624-60-0x0000000000400000-0x0000000000414000-memory.dmp